Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Current:
Federal	$ 5	$ 4	$ 1
State & Local	2	8	4
Foreign	118	107	118
Total current tax	125	119	123
Deferred:
Federal	26	269	57
State & Local	5	(9)	(1)
Foreign	(30)	(24)	(151)
Total deferred tax	1	236	(95)
Income tax expense	$ 126	$ 355	$ 28